import { Link, useNavigate } from 'react-router-dom'
import { observer } from 'mobx-react-lite'
import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  DatePicker,
  Select,
  Table,
  Tag,
  Space,
  message,
} from 'antd'
import 'moment/locale/zh-cn'
import locale from 'antd/es/date-picker/locale/zh_CN'
import { EditOutlined, DeleteOutlined } from '@ant-design/icons'
import { useEffect, useState } from 'react'
import { http } from '@/utils'
import useStore from '@/store'
import img404 from '@/assets/error.png'
import './index.scss'

const { Option } = Select
const { RangePicker } = DatePicker

const Article = () => {
  // 2. 渲染频道数据
  const { channelStore } = useStore()
  // 3. 渲染表格数据
  // 文章列表管理
  const [articleList, setArticleList] = useState({
    list: [], // 文章列表
    count: 0, // 文章数量
  })
  // 文章参数管理
  const [params, setParams] = useState({
    page: 1,
    per_page: 10,
  })
  // 发送接口请求
  // 如果异步请求函数需要依赖一些数据的变化而重新执行 推荐把它写到内部
  // 统一不抽离函数到外面 只要涉及到异步请求的函数 都放到useEffect内部
  // 本质区别：写到外面每次组件更新都会重新进行函数初始化 这本身就是一次性能消耗
  // 而写到useEffect内部，只会在依赖项发生变化的时候，函数才会进行重新渲染，避免性能损失
  useEffect(() => {
    const loadArticleList = async () => {
      const res = await http.get('/mp/articles', { params })
      // console.log(res.data)
      const { results, total_count } = res.data
      setArticleList({
        list: results,
        count: total_count,
      })
    }
    loadArticleList()
  }, [params])

  // Form 表单事件
  const onFinish = (values) => {
    // console.log(values)
    const { channel_id, date, status } = values
    // 数据处理
    const _params = {}
    if (status !== -1) {
      _params.status = status
    }
    if (channel_id) {
      _params.channel_id = channel_id
    }
    if (date) {
      _params.begin_pubdate = date[0].format('YYYY-MM-DD')
      _params.end_pubdate = date[1].format('YYYY-MM-DD')
    }
    // 修改params数据 引起接口的重新发送  对象的合并时一个整体覆盖 改了对象的整体引用
    setParams({
      ...params,
      ..._params,
    })
  }
  // 分页
  function pageChange(page) {
    setParams({
      ...params,
      page,
    })
  }

  const formatStatus = (type) => {
    const TYPES = {
      1: <Tag color="red">审核失败</Tag>,
      2: <Tag color="green">审核成功</Tag>,
    }
    return TYPES[type]
  }
  // 删除文章
  const delArticle = async (data) => {
    await http.delete(`/mp/articles/${data.id}`)
    // 刷新列表
    setParams({
      ...params,
      page: 1,
    })
    // 提示删成功
    message.success('删除成功')
  }
  // 编辑
  const navigate = useNavigate()
  const goPublish = (data) => {
    navigate(`/publish?id=${data.id}`)
  }
  const columns = [
    {
      title: '封面',
      dataIndex: 'cover',
      width: 120,
      render: (cover) => {
        return (
          <img src={cover.images[0] || img404} width={80} height={60} alt="" />
        )
      },
    },
    {
      title: '标题',
      dataIndex: 'title',
      width: 220,
    },
    {
      title: '状态',
      dataIndex: 'status',
      render: (data) => formatStatus(data),
    },
    {
      title: '发布时间',
      dataIndex: 'pubdate',
    },
    {
      title: '阅读数',
      dataIndex: 'read_count',
    },
    {
      title: '评论数',
      dataIndex: 'comment_count',
    },
    {
      title: '点赞数',
      dataIndex: 'like_count',
    },
    {
      title: '操作',
      render: (data) => {
        return (
          <Space size="middle">
            <Button
              type="primary"
              shape="circle"
              icon={<EditOutlined />}
              onClick={() => goPublish(data)}
            />
            <Button
              type="primary"
              danger
              shape="circle"
              icon={<DeleteOutlined />}
              onClick={() => delArticle(data)}
            />
          </Space>
        )
      },
      fixed: 'right',
    },
  ]
  return (
    <div>
      {/* 筛选区结构 */}
      <Card
        title={
          <Breadcrumb separator=">">
            <Breadcrumb.Item>
              <Link to="/">首页</Link>
            </Breadcrumb.Item>
            <Breadcrumb.Item>内容管理</Breadcrumb.Item>
          </Breadcrumb>
        }
        style={{ marginBottom: 20 }}
      >
        <Form onFinish={onFinish} initialValues={{ status: null }}>
          <Form.Item label="状态" name="status">
            <Radio.Group>
              <Radio value={null}>全部</Radio>
              <Radio value={0}>草稿</Radio>
              <Radio value={1}>待审核</Radio>
              <Radio value={2}>审核通过</Radio>
              <Radio value={3}>审核失败</Radio>
            </Radio.Group>
          </Form.Item>

          <Form.Item label="频道" name="channel_id">
            <Select placeholder="请选择文章频道" style={{ width: 120 }}>
              {channelStore.channelList.map((item) => (
                <Option key={item.id} value={item.id}>
                  {item.name}
                </Option>
              ))}
            </Select>
          </Form.Item>

          <Form.Item label="日期" name="date">
            {/* 传入locale属性 控制中文显示*/}
            <RangePicker locale={locale}></RangePicker>
          </Form.Item>

          <Form.Item>
            <Button type="primary" htmlType="submit" style={{ marginLeft: 80 }}>
              筛选
            </Button>
          </Form.Item>
        </Form>
      </Card>
      {/* 表格区域结构 */}
      <Card title={`根据筛选条件共查询到 ${articleList.count} 条结果：`}>
        <Table
          rowKey="id"
          columns={columns}
          dataSource={articleList.list}
          pagination={{
            pageSize: params.per_page,
            total: articleList.count,
            onChange: pageChange,
            current: params.page,
          }}
          bordered
        />
      </Card>
    </div>
  )
}

export default observer(Article)
